 | | Report (volume) | | Area Adjacent to the Free Enterprise Mine Jefferson County Montana GEOLOGICAL SURVEY BULLETIN 988-G...Area Adjacent to the Free Enterprise Mine Jefferson County Montana By W. A. ROBERTS and A. J. GUDE 3d ...________________________________________________ Quartz monzonite_____________________________-_____--____...Enterprise mine and vicinity, T. 6 N., R. 4 W__-_-_-_____-_____-___ In pocket Detailed map of the mine and ...Geologic traverse along unnamed gully, northeast of mine, sees. 18, 19, and 20-_________-_----______-___ |  | | Journal (article/letter/editorial) | | Porphyry Copper Center in the Superior (Pioneer) District, Arizona SCOTT L. MANSKE† Independent Consultant...has been discovered in the Superior (Pioneer) district of east-central Arizona, lying under thick Tertiary...intruded by an east-northeast–striking swarm of quartz porphyry dikes. The dike swarm is truncated at...overburden composed of the Oligocene-Miocene Whitetail Conglomerate and the Miocene (18.6 Ma) Apache...argillic alteration mantles an inner zone of pervasive quartz-sericitepyrite. The sericitic zone is strongly |  | | Report (issue) | | Field Guide to the Superior District, Pinal County, Arizona by: James D. Sell, Consultant Alexander...Geology and Ore Deposits of the Superior District in Pinal County, Arizona. The trip is split into two sections...part of the group going underground at the Magma Mine, owned and operated by Magma Copper Company. Our...and Matt Knight will educate us about geology and mining of the Superior Copper Deposit. At the same time...describing the surface geology of the Superior District. The road log that Jim has prepared is very informative |  | | Report (issue) | | ASHLEY SCHMITT "As !look back on four decades in mining geology I am impressed by the magnitude of the...geologists who developed the art and science of mining geology into a leading factor in the unprecedented...geology in 1926. His thesis work in the Parral District of Chihauhua, Mexico, (1931) and other investigations...southern Arizona, Virginia and the Central Mining District of New Mexico from 1927 to 1931 and subsequently..."In conclusion, it is perhaps significant that mining geologists whose living depends on their success |  | | Journal (issue) | | Mine Vol. 35 No. 1 January 2019 News The Mineral Collector's Newsletter $6.00 Albert Edward Foote...Congress representing the Anti-Monopoly Party (Sioux County Herald I 874). Luckily, he was unsuccessful at...John Betts,NewYork. Silver Ore from the Eagle Mine Red Cliff District, Eagle County, Colorado Bob Werner...werner@lcturbonet.com A n_umberof years ago I acquired a silver ore specimen (fig. I) from John Sholes ( 1918 -...location. The specimen came from the well-known Eagle Mine (fig. 2 on page 3) of Empire Zinc Company, a subsidiary |  | | Book | | MADISON COUNTY/MONTANA. GEORGE F. COPE, COMPILER. VIRGINIA CITY, MADISON COUNTY, MONTANA. September...MADISON COUNTY, MONTANA, GEORGE F. COPE, COMPILER. VIRGINIA CITY, MADISON COUNTY, MONTANA. September... MINES, FARMS AND RANGES OF 1 v^*^ MADISON COUNTY, MONTANA. Messrs. Elling, Harrington, Hickman, Raymond...Raymond and Farrell, constituting the Madison County Railroad Committee, Gentlemen: As instructed by you...of Madison county, including the mines, farms and ranges, and the probable tonnage the county would afford |  | | Report (issue) | | ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA Edited by R.G. Tysdal 1 , Steve Ludington2 , and...ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 96-683-A...in west-central Montana. It lies in the vicinity of Helena, the capitol city of Montana, and includes Federal...lands within parts of five counties: Broadwater, Jefferson, Meagher, Powell, and Lewis and Clark. * Gold...was discovered in the region in Powell County in 1852. Mining began in the 1860's, and since then the |  | | Book | | Editors. SPENCER . . R. TirLey has worked as a mining geologist in the western United States in both...where no maps were available. In southern Yuma County he even discovered and named a whole new range...specific mention are the mapping in southern Yuma County, studies on gold lode and placer deposits, work...Range Province, and work on a number of individual mining districts and on numerous mineral commodities....establish Tucson, Arizona, as the hub of the copper mining industry of the United States. In fact, an inscribed |  | | Report (issue) | | Tombstone district, Cochise County; Gila County, at Lost Gulch Mine, near Globe; Mohave County, in Mineral...Pima County, in Mammouth Mine, Schulty; Yavapai County, in ores of Bradshaw Mountains; Yuma County, in...in Castle Dome district; common in silver veins. ANTIMONY ORES. See Jamesonite and Stibnite. ARGENTITE...ARGENTITE (silver glance). Mohave County, in pre-Cambrian granite gneiss in Chloride, Mineral Park, and Stockton...Stockton Hill districts; Pinal County, at Silver King; Santa Cruz County, at Montezuma and Empress of India |  | | Report (issue) | | (cont.) Early Cretaceous stratigraphy . Cochise County . Other areas . . Sections including early and...Tucson Mountains Late Cretaceous sections . Greenlee County . Deer Creek-Christmas area . Northern Arizona...Ajo area . Sauceda Volcanics . Yuma County . Western Mohave County . Economic features of the Cretaceous...Commodities and mines . 101 Copper . 102 Gold . 102 Silver . 102 . 103 Zinc ............... Lead . 103 Molybdenum... gold, silver, zinc, and lead produced by Arizona districts 11. Value of copper, gold, silver, zinc, |  | | Report (volume) | | ....................................... 102 District of Columbia ......................................... 139 144 146 153 158 163 169 . 172 174 Montana..................................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals that are widely distributed, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Book (edition) | | thrilled to the sight of mounted in gold or or silver, some lovely gem, against lying a background...gem stones mon dull are as hard or harder than quartz, a com- mineral everywhere present as dust which...Hardness Scale 6. Orthoclase 1. Talc 2. Gypsum 7. Quartz Topaz Corundum 10. Diamond 3. Colcite 8. 4...Your will scratch orthoclase feldspar but not quartz. In making hardness appears to be a scratch paper...the general arrange- ment of these surfaces. Quartz and amethyst, for example, are frequently crystallized |  | | Report (issue) | | the Great Falls-Mission Range Area, Northwestern Montana 0 B ~ C'l ~ ~ I ~ GEOLOGICAL SURVEY PROFESSIONAL...the Great Falls-Mission Range Area, Northwestern Montana· By M. DEAN KLEINKOPF and MELVILLE R. MUDGE GEOPHYSICAL...THE GREAT FALLS-MISSION RANGE AREA, NORTHWESTERN MONTANA By M. DEAN KLEINKOPF and MELVILLE R. MUDGE ABSTRACT...nearsurface crystalline rocks in northwestern Montana. A variety of trends and anomaly types in the magnetic...southern part of the area. Some reflect exposed quartz monzonite or somewhat more mafic stocks. Similar |  | | Report (issue) | | thorium or rare-earths minerals_ Brannerite-bearing quartz or siliceous veins _______ _ Davidite-bearing veins...predecessor organization, the Manhattan Engineer District ; and, to a lesser extent, by staff members of...United States. The pre-1940 history of uranium mining and geology is concerned largely with veins in...batholith area, Montana ; the Sierra Ancha region, Arizona ; and the Marysvale district, Utah. All the...including Arizona, California, Colorado~ Idaho, Montana, Nevada, New Mexico, and FRANK W. OsTERWALD |  | | Journal (article/letter/editorial) | | ECONOMIC GEOLOGISTS AND THE AMERICAN INSTITUTE OF MINING AND METAL- LURGICALENGINEERS, NEW YORK MEETING...cassiterite and columbite-tantalite. Prospecting and mining have been particularly active since World War II...consistentirely or almost entirely of feldspar and quartz with or without micas, but some contain economic...in zonedpegmatitescanbe appliedto prospectingand mining of pegmatite depositsin these two areas of South...lode material consistsof brecciated greisen and quartz veined with limonite, and torbenite is present |  | | Report (issue) | | ASHLEY SCHMITT "As !look back on four decades in mining geology I am impressed by the magnitude of the...geologists who developed the art and science of mining geology into a leading factor in the unprecedented...geology in 1926. His thesis work in the Parral District of Chihauhua, Mexico, (1931) and other investigations...southern Arizona, Virginia and the Central Mining District of New Mexico from 1927 to 1931 and subsequently..."In conclusion, it is perhaps significant that mining geologists whose living depends on their success |  | | Report (volume) | | AND ORE DEPOSITS OF THE BAYHORSE REGION CUSTER COUNTY, IDAHO BY CLYDE P. ROSS Prepared in cooperation..._______________________________________________ Quartz monzonite-_---___-_-___---_-_-__--___________Granodiorite_...rite_ _ ______________________________________ Quartz diorite._______________________________________...mines_________ Bayhorse district..______.__________--__--__-__-_--_-_.._ Good Hope mine.___________________________________...near Garden Creek._________-_-_-_____-.-__ Ramshorn mine._____.___-_______-___-.-_-__--_---__ Skylark mine________________ |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals of wide distribution, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | | Report (volume) | | BULLETIN 539 SOME ORE DEPOSITS IN NORTHWESTERN OUSTER COUNTY, IDAHO BY JOSEPH B. UMPLEBY WASHINGTON GOVERNMENT............. 21 Quartz monzonite............................................. 22 Quartz diorite........................................................ Silver-copper deposits........................................................................... Lead-silver deposits.................................................................................. Gold-silver veins......................................... |  | Keith, S.B., Schnabel, Lorraine, DeWitt, Ed, Gest, D.E., Wilt, Jan (1983) Map, description and bibliography of the mineralized areas of the Basin and Range Province in Arizona. Open-File Report Vol. 1983 (84-86) US Geological Survey doi:10.3133/ofr8486 | Report (issue) | | molybdenum, iron, manganese, barium, mercury, gold, silver, platinum, beryllium, lithium, tungsten, tin, fluorine...produced ore (Keith and others, 1983), (2) have mine workings to suggest past production, (3) are described...unpub. data), or (5) have been investigated by mining companies who have documented the presence of mineralized...Area may not be the same as the conventional Mining District name from older literature for the same geographical...geographical area. If an existing Mining District contained deposits of a specific age and type (for example |  | | Book (edition) | | McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones...used mining districts as part of the locality description. These political and geographic district names...with a more descriptive term, metallic mineral district. This term shows the geochemical and mineralogical...reader to learn more about the geology of the district and to possibly predict the minerals that could...districts. Where possible, the metallic mineral district for each mineral locality is given for the mineral |  | | Report (issue) | | Low sulfide quartz Au 5.4 Epithermal Au, quartz adularia type 5.5 Epithermal Au, quartz alunite type...Norte Cty, CA Santa Helena, Antioquia, Colombia Goto Mine, Luzan, P.I. References Wells, F. G. et al 1946...(REFERENCE) DESCRIPTION Stockwork veinlets of quartz, chalcopyrite and molybdenite in or near a porphyritic...S. R., 1982. GEOLOGICAL ENVIRONMENT Rock Types Quartz monzonite to tonalite intrusives and breccia pipes...replacement of favorable country rocks. Alteration Quartz+K-feldspar+biotite (chlorite)+ anhydrite grading |  | | Report (issue) | | '1030571 04 M030562 04 M030563 04 '1030584 04 CouNTY DEPosir 'ostHP +litire LAtiroOE ♦ Looroae 28N... wA A 7 PROSPECT 15N 02E 27 MU AMOLE DISTRICT BANNER DISTRICT BLUE HELL GROUP 19N 215W 101 35-03-A wA...CUA AG BORIANA MINE 18N 115W 118 34-56-154 113-54-53W CATALINA DISTRICT CATALINA DISTRICT CHILDS-ALOWINKLE...CHILDS-ALOWINKLE HUN CINNABAR MINE 02N I14-19-18w 09 33-32-154A CUPRITE MINI 175 16E 28 31-55-314 110-42-30w CU AG...35 35-25-254 114-10-31W AU AG MO V EMPIRE MINE ESPERANZA MINE GROUP 185 12E SO.31-52-204 111-08-08W PB |  | | Report (issue) | | made this publication possible. ELEMENTS Gold Silver Copper Lead Mercury Tellurium Sulfur Diamond Graphite...distributed in small quantities. Most abundant in quartz veins or in placer deposits from weathering of...deposits Cochise County-Warren (Bisbee) and Turquoise districts, with ores of copper, silver, and lead. Tombstone...Tombstone district, with lead-silver ores. Pearce district, with silver ores. Dragoon Mountains, Manzoro...Manzoro district. Dos Cabezas Mountains, Dos Cabezas and Teviston districts. Huachuca Mountains. Swisshelm |  | | Report (issue) | | and Butler, G. M.-Arizona lode gold mines and mining: Univ. Ariz., Ariz. Bur. Mines Bull. 137, 1934...Ariz., Ariz. Bur. Mines Bull. 148, 1941. Apache County 2: 17 Gregory, H. E.-Geology Prof. Paper 93, 1917...the Navajo country. U.S. Geol. Survey Cochise County 3:04 Ransome, F. L.-The geology and ore deposits...Tombstone district, Arizona: Univ. Ariz., Ariz. Bur. Mines Bull. 143, 1938. Gila County 4:03 Ransome...Ransome, F. L.-Geology of the Globe copper district, Arizona: U.S. Geol. Survey Prof. Paper 12, 1903. 4:19 |
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